$(document).ready(function ()
{
    var navbar_menu_mobile_html;
    var navbar_menu_default_html = $('#menu').html();

    $(window).resize(function ()
    {

        if ($(window).width() <= 1006)
        {
            if(!navbar_menu_mobile_html)
            {
                $("#menu").mmenu({
                    extensions: ["position-bottom", "fullscreen", "theme-black", "listview-50", "fx-panels-slide-up", "fx-listitems-drop", "border-offset"],
                    navbar: {
                        title: ""
                    },
                }, {});
                var API = $("#menu").data( "mmenu" );
                $(".mmenu__link").click(function() {
                    API.close();
                });
                $(".mh-head.mm-sticky").mhead({
                    scroll: false
                });
                $(".mh-head:not(.mm-sticky)").mhead({
                    scroll: false
                });
            }


            navbar_menu_mobile_html = $('#menu').html();
            $('#my-menu').html(navbar_menu_mobile_html);

        }
        else
        {
            $('#my-menu').html(navbar_menu_default_html);

        }

    }).resize();
});

$(document).scroll(function (e)
{
    var scrollTop = $(document).scrollTop();

    if (scrollTop > 0)
    {
        $('header').addClass('scrolled');
    } else
    {
        $('header').removeClass('scrolled');
    }


});

var $headerHeight = $('.header').innerHeight();
$(document).ready(function ()
{
    $(".mm-menu").css("cssText", `height: calc(100% - ${$headerHeight}px) !important;`);
});
$(window).scroll(function ()
{
    var $headerScrollHeight = $('.header').innerHeight();
    if ($(this).scrollTop() === 0)
    {
        $(".mm-menu").css("cssText", `height: calc(100% - ${$headerHeight}px) !important;`);

    }
    else {
        $(".mm-menu").css("cssText", `height: calc(100% - ${$headerScrollHeight}px) !important;`);
    }
});
//Nadanie klasy active w menu
var sections_offset = [];


$(document).scroll(function (e)
{
    var scrollTop = $(document).scrollTop();


    mark_as_active_nav(scrollTop);

});



var id_el;




function mark_as_active_nav(offset)
{

    //tworzenie tablicy z odlelosciami sekcji menu
    $('.mmenu__item a[data-scroll]').each(function (i)
    {
        var navbar_height = $('header').height();
        var id_element = $(this).attr('data-scroll');

        var offset_element = ($('#' + id_element).offset().top - navbar_height) - 50;
        offset_element = offset_element < 0 ? 0 : offset_element;

        sections_offset[i] = [id_element, offset_element];
    });

    var id_el;

    //sprawdzam odleglosci
    $(sections_offset).each(function (i)
    {
        var offset_el = sections_offset[i][1];
        if (offset_el <= offset)
        {
            id_el = sections_offset[i][0];
            return;
        }
    })

    //oznaczam menu
    $('.mmenu__item').removeClass('active');
    $('.mmenu__item a[data-scroll=' + id_el + ']').closest('li').addClass('active');
}


//SmoothScroll
var $navbar_height = 118;
if ($(window).width() <= 440) {
    $navbar_height = 100;
}
$(document).on('click', 'a[href^="#"]', function (event) {
    event.preventDefault();

    $('html, body').animate({
        scrollTop: $($.attr(this, 'href')).offset().top - $navbar_height + 10
    }, 800);
});